@misc{indiciaed11fdff60dff,
  title = {Latest developments in contraception.},
  author = {E L Billings},
  year = {1984},
  doi = {10.5694/j.1326-5377.1984.tb104116.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/6700496/},
  note = {Source identifier: 6700496}
}